US Calibrated Ring Mandrels
Model No. : S-492B & S-492C
Hard-chromed steel mandrel. For forming, shaping & enlarging rings, and to gauge and hold rings when stone-setting. May also be used for soldering. Graduated from sizes 1 through 15. Length about 11-1/2.
| Model No. | Weight | Description |
| S-492B | 730 gms | Without Groove |
| S-492C | 740 gms | With Groove |
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